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A gauge or datum location used for comparisons, surveying or general reference in relation to known values.
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Total Records: 180 Page: 2 of 8 prev<<<[12345678]>>>next
Image for Paw Paw Tunnel Survey Disk 1 00view gallery

SESE65.7 km

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U.S. BenchmarksPaw Paw Tunnel Survey Disk 1 00

in U.S. Benchmarks

This is a survey disk located a short distance inside the south entrance of Paw Paw Tunnel.

posted by: Groundspeak Premium Member Red Starred

location: Maryland

date approved: 7/7/2012

last visited: 8/25/2012

Image for "Church Park" Allegheny Power Company Disk 2view gallery

WW65.8 km

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U.S. Benchmarks"Church Park" Allegheny Power Company Disk 2

in U.S. Benchmarks

An accidental find while looking for a place to eat lunch. It's on the picnic grounds of an orthodox church, hence its nickname (which I gave to it)One of two in a line just feet from one another.

posted by: Groundspeak Regular Member Algoma!

location: Pennsylvania

date approved: 5/20/2008

last visited: never

Image for "Church Park" Allegheny Power Co. Survey Disk 1view gallery

WW66 km

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U.S. Benchmarks"Church Park" Allegheny Power Co. Survey Disk 1

in U.S. Benchmarks

An accidental find while looking for a place to eat lunch. It's on the picnic grounds of an orthodox church, hence its nickname (which I gave to it)One of two in a line just feet from one another.

posted by: Groundspeak Regular Member Algoma!

location: Pennsylvania

date approved: 5/20/2008

last visited: never

Image for Paw Paw Tunnel Survey Diskview gallery

SESE66.1 km

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U.S. BenchmarksPaw Paw Tunnel Survey Disk

in U.S. Benchmarks

Inside the Paw Paw Tunnel there are over 20 survey disks.

posted by: Groundspeak Premium Member Red Starred

location: Maryland

date approved: 7/6/2012

last visited: never

Image for Deakins Line Stone #3 (near Mt. Backbone summit)view gallery

SWSW67.9 km

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U.S. Historic Survey Stones and MonumentsDeakins Line Stone #3 (near Mt. Backbone summit)

in U.S. Historic Survey Stones and Monuments

A nice bonus waymark near the highpoint of Maryland. Altitude of the stone is 3348 feet, about 10 feet below the summit level, which is almost in sight.

posted by: Groundspeak Regular Member Algoma!

location: Maryland

date approved: 4/30/2008

last visited: 9/5/2009

Image for USCGS West Line Stone 143, 1902, Pennsylvania-Marylandview gallery

EE68.7 km

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U.S. Historic Survey Stones and MonumentsUSCGS West Line Stone 143, 1902, Pennsylvania-Maryland

in U.S. Historic Survey Stones and Monuments

USCGS West Line Stone 143, 1902, PA-MD, is a dressed Portland Stone shaft (made in 1767) set by the 1900 – 1903 resurvey of the Mason and Dixon line to demarcate the boundary between PA and MD.

posted by: Groundspeak Regular Member seventhings

location: Maryland

date approved: 3/17/2007

last visited: never

Image for USCGS West Line Stone 142, 1902, Pennsylvania-Marylandview gallery

EE69.8 km

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U.S. Historic Survey Stones and MonumentsUSCGS West Line Stone 142, 1902, Pennsylvania-Maryland

in U.S. Historic Survey Stones and Monuments

USCGS West Line Stone 142, 1902, PA-MD, is a dressed Portland Stone shaft (made in 1767) set by the 1900 – 1903 resurvey of the Mason and Dixon line to demarcate the boundary between PA and MD

posted by: Groundspeak Regular Member seventhings

location: Maryland

date approved: 3/17/2007

last visited: never

Image for 35 RHP        1956view gallery

SWSW70.3 km

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U.S. Benchmarks35 RHP 1956

in U.S. Benchmarks

35 RHP USGS 1956 Benchmark

posted by: Groundspeak Regular Member wuznutme

location: West Virginia

date approved: 2/27/2011

last visited: 5/6/2011

Image for CL-19 Survey Markerview gallery

WW70.7 km

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U.S. BenchmarksCL-19 Survey Marker

in U.S. Benchmarks

Survey marker for High Point, North Carolina, at elevation of 762.047 feet.

posted by: Groundspeak Premium Member bentbrook

location: North Carolina

date approved: 1/17/2012

last visited: never

Image for Deakins Line Stone #1 (1910, 3-County Intersection)view gallery

SWSW72.3 km

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U.S. Historic Survey Stones and MonumentsDeakins Line Stone #1 (1910, 3-County Intersection)

in U.S. Historic Survey Stones and Monuments

This is the replacement for the famous Fairfax Stone, marking the intersection of Preston, Tucker and Grant Counties in West Virginia. The Potomac River's headwaters are about 25 feet away.

posted by: Groundspeak Regular Member Algoma!

location: West Virginia

date approved: 4/29/2008

last visited: 10/1/2012

Image for USCGS West Line Stone 139, 1902, Pennsylvania-Marylandview gallery

EE73.2 km

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U.S. Historic Survey Stones and MonumentsUSCGS West Line Stone 139, 1902, Pennsylvania-Maryland

in U.S. Historic Survey Stones and Monuments

USCGS West Line Stone 139, 1902, PA-MD, is a dressed Portland Stone shaft (made in 1767) set by the 1900 – 1903 resurvey of the Mason and Dixon line to demarcate the boundary between PA and MD.

posted by: Groundspeak Regular Member seventhings

location: Maryland

date approved: 3/17/2007

last visited: never

Image for USCGS West Line Stone 138, 1902, Pennsylvania-Marylandview gallery

EE75.2 km

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U.S. Historic Survey Stones and MonumentsUSCGS West Line Stone 138, 1902, Pennsylvania-Maryland

in U.S. Historic Survey Stones and Monuments

USCGS West Line Stone 138, 1902, PA-MD, is a dressed Portland Stone shaft (made in 1767) set by the 1900 – 1903 resurvey of the Mason and Dixon line to demarcate the boundary between PA and MD.

posted by: Groundspeak Regular Member seventhings

location: Maryland

date approved: 3/18/2007

last visited: never

Image for USCGS West Line Stone 137, 1902, Pennsylvania-Marylandview gallery

EE76 km

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U.S. Historic Survey Stones and MonumentsUSCGS West Line Stone 137, 1902, Pennsylvania-Maryland

in U.S. Historic Survey Stones and Monuments

USCGS West Line Stone 137, 1902, PA-MD, is a dressed Portland Stone shaft (made in 1767) set by the 1900 – 1903 resurvey of the Mason and Dixon line to demarcate the boundary between PA and MD.

posted by: Groundspeak Regular Member seventhings

location: Maryland

date approved: 4/2/2007

last visited: never

Image for Jackson Twp. Cambria Cnty, PAview gallery

NN76.1 km

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U.S. BenchmarksJackson Twp. Cambria Cnty, PA

in U.S. Benchmarks

A benchmark hidden behind a water tank. Also a Geocache hidden about 35' away.

posted by: Groundspeak Regular Member JPD252

location: Pennsylvania

date approved: 3/30/2008

last visited: 4/14/2012

Image for Dunkard Creek Survey Control Markerview gallery

WW77.2 km

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U.S. BenchmarksDunkard Creek Survey Control Marker

in U.S. Benchmarks

This is a Survey Control Marker that is located on a refurbished bridge that spans Dunkard Creek, in Mt. Morris, PA. This Survey Control Marker is located on the Eastern bridge wall. This bridge is located just south of the intersection of Dunkard Avenue and Rt. 19(Mt. Morris Rd.)

posted by: Groundspeak Regular Member The Finding Irish 4

location: Pennsylvania

date approved: 8/4/2008

last visited: 5/20/2011

Image for JW0134view gallery

EE79.2 km

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U.S. BenchmarksJW0134

in U.S. Benchmarks

Benchmark disk located on bridge above Brush Creek south of Emmaville, PA.

posted by: Groundspeak Regular Member redtailforester

location: Pennsylvania

date approved: 8/25/2008

last visited: never

Image for USFS Land Survey Marker 2-911Nview gallery

SS80.8 km

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U.S. BenchmarksUSFS Land Survey Marker 2-911N

in U.S. Benchmarks

Survey marker at Bear Rocks, Monongahela National Forest

posted by: Groundspeak Regular Member jkselby

location: West Virginia

date approved: 8/11/2010

last visited: 5/18/2012

Image for Rt. 19(Mt. Morris Rd.) Kirby-Garards Fort Horizontal Control Markerview gallery

WW81.3 km

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U.S. BenchmarksRt. 19(Mt. Morris Rd.) Kirby-Garards Fort Horizontal Control Marker

in U.S. Benchmarks

This is a Horizontal Control Marker located on a new bridge on Rt. 19 (Mt. Morris Road) approx. 150 feet South of the Kirby-Garards Fort Road intersection.

posted by: Groundspeak Regular Member The Finding Irish 4

location: Pennsylvania

date approved: 8/4/2008

last visited: 5/20/2011

Image for MASDIX West Line Stone 133, 1767, Pennsylvania-Marylandview gallery

EE81.4 km

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U.S. Historic Survey Stones and MonumentsMASDIX West Line Stone 133, 1767, Pennsylvania-Maryland

in U.S. Historic Survey Stones and Monuments

MASDIX West Line Stone 133, 1767, PA-MD, is a dressed Portland Stone shaft set by Mason and Dixon to demarcate the boundary between PA and MD.

posted by: Groundspeak Regular Member seventhings

location: Maryland

date approved: 1/18/2007

last visited: never

Image for USCGS West Line Stone (254), 1767 & 1883, Pennsylvania-West Virginiaview gallery

WW81.9 km

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U.S. Historic Survey Stones and MonumentsUSCGS West Line Stone (254), 1767 & 1883, Pennsylvania-West Virginia

in U.S. Historic Survey Stones and Monuments

USCGS West Line Stone (254), 1767 & 1883, PA-WV, is a dressed sandstone shaft set by the 1883 - 1885 re-survey of the western portion of Pennsylvania’s southern boundary with West Virginia.

posted by: Groundspeak Regular Member seventhings

location: Pennsylvania

date approved: 6/6/2007

last visited: 5/18/2012

Image for MASDIX West Line Stone 131, 1767 & 1902, Pennsylvania-Marylandview gallery

EE84.5 km

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U.S. Historic Survey Stones and MonumentsMASDIX West Line Stone 131, 1767 & 1902, Pennsylvania-Maryland

in U.S. Historic Survey Stones and Monuments

MASDIX West Line Stone 131, 1767 & 1902, PA-MD, is a dressed Portland Stone shaft (made in 1767) set by the 1900 – 1903 resurvey of the Mason and Dixon line to demarcate the boundary between PA and MD.

posted by: Groundspeak Regular Member seventhings

location: Maryland

date approved: 1/17/2007

last visited: 10/1/2012

Image for Hancock (JW1208) RM 4 - Morgan County, WVview gallery

EE84.5 km

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U.S. BenchmarksHancock (JW1208) RM 4 - Morgan County, WV

in U.S. Benchmarks

Reference Mark disk for Triangulation Station 'Hancock' located on a bridgewall on the W side of US 522.

posted by: Groundspeak Premium Member Ernmark

location: West Virginia

date approved: 10/1/2009

last visited: 7/24/2010

Image for Hancock (JW1208) RM 3  -  Morgan County, WVview gallery

EE84.5 km

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U.S. BenchmarksHancock (JW1208) RM 3 - Morgan County, WV

in U.S. Benchmarks

Reference Mark disk for Triangulation Station 'Hancock' located on a bridgewall on the W side of US 522.

posted by: Groundspeak Premium Member Ernmark

location: West Virginia

date approved: 10/1/2009

last visited: 7/24/2010

Image for Hancock (JW1208) - Morgan County, WVview gallery

EE84.5 km

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U.S. BenchmarksHancock (JW1208) - Morgan County, WV

in U.S. Benchmarks

Triangulation station located near Hancock, MD - just south of the WV border.

posted by: Groundspeak Premium Member Ernmark

location: West Virginia

date approved: 10/1/2009

last visited: 7/24/2010

Image for Hancock Flood Markview gallery

EE85.1 km

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U.S. BenchmarksHancock Flood Mark

in U.S. Benchmarks

This is a USGS Flood Mark.

posted by: Groundspeak Regular Member Black Dog Trackers

location: Maryland

date approved: 3/25/2007

last visited: 5/12/2012

Total Records: 180 Page: 2 of 8 prev<<<[12345678]>>>next
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